The Delphi SkyFi also has a ferrite core; my guess is that it stops interference from the car's electrical system (including the AM/FM antenna) from messing with the XM signal and vice versa.
The Delphi SkyFi also has a ferrite core; my guess is that it stops interference from the car's electrical system (including the AM/FM antenna) from messing with the XM signal and vice versa.Originally posted by SOCAL XMER
What is the Ferrite core do in the SONY plug and play:shrug:
I have no idea what it's fore but the FCC says you need it. :sure: